205654500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2035

約数の個数: 144

約数和(自身を含む): 677319552

約数和(自身を除く): 471665052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 100, 115, 125, 138, 150, 180, 207, 225, 230, 250, 276, 300, 345, 375, 414, 450, 460, 500, 575, 690, 750, 828, 900, 1035, 1125, 1150, 1380, 1500, 1725, 1987, 2070, 2250, 2300, 2875, 3450, 3974, 4140, 4500, 5175, 5750, 5961, 6900, 7948, 8625, 9935, 10350, 11500, 11922, 17250, 17883, 19870, 20700, 23844, 25875, 29805, 34500, 35766, 39740, 45701, 49675, 51750, 59610, 71532, 89415, 91402, 99350, 103500, 119220, 137103, 149025, 178830, 182804, 198700, 228505, 248375, 274206, 298050, 357660, 411309, 447075, 457010, 496750, 548412, 596100, 685515, 745125, 822618, 894150, 914020, 993500, 1142525, 1371030, 1490250, 1645236, 1788300, 2056545, 2235375, 2285050, 2742060, 2980500, 3427575, 4113090, 4470750, 4570100, 5712625, 6855150, 8226180, 8941500, 10282725, 11425250, 13710300, 17137875, 20565450, 22850500, 34275750, 41130900, 51413625, 68551500, 102827250, 205654500]

約数ペア:

[(1, 205654500), (2, 102827250), (3, 68551500), (4, 51413625), (5, 41130900), (6, 34275750), (9, 22850500), (10, 20565450), (12, 17137875), (15, 13710300), (18, 11425250), (20, 10282725), (23, 8941500), (25, 8226180), (30, 6855150), (36, 5712625), (45, 4570100), (46, 4470750), (50, 4113090), (60, 3427575), (69, 2980500), (75, 2742060), (90, 2285050), (92, 2235375), (100, 2056545), (115, 1788300), (125, 1645236), (138, 1490250), (150, 1371030), (180, 1142525), (207, 993500), (225, 914020), (230, 894150), (250, 822618), (276, 745125), (300, 685515), (345, 596100), (375, 548412), (414, 496750), (450, 457010), (460, 447075), (500, 411309), (575, 357660), (690, 298050), (750, 274206), (828, 248375), (900, 228505), (1035, 198700), (1125, 182804), (1150, 178830), (1380, 149025), (1500, 137103), (1725, 119220), (1987, 103500), (2070, 99350), (2250, 91402), (2300, 89415), (2875, 71532), (3450, 59610), (3974, 51750), (4140, 49675), (4500, 45701), (5175, 39740), (5750, 35766), (5961, 34500), (6900, 29805), (7948, 25875), (8625, 23844), (9935, 20700), (10350, 19870), (11500, 17883), (11922, 17250)]